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100733 Annafalcka (1998 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2100733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034219773579679 3.7307e-08  
a 2.29797229289567 1.1763e-08 au
q 2.060311454450577 8.5748e-08 au
i 6.160308937566216 4.309e-06 deg
node 131.0187458351053 4.046e-05 deg
peri 355.7625078394968 4.7879e-05 deg
M 151.7564592675276 2.6034e-05 deg
tp 2458464.135169597335
(2018-Dec-11.63516960)
9.0087e-05 TDB
period 1272.376410710555
3.48
9.7694e-06
2.675e-08
d
yr
n .2829351416527434 2.1724e-09 deg/d
Q 2.535633131340763 1.2979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:09:58  

Additional Information
 Earth MOID = 1.07551 au 
 Jupiter MOID = 2.502 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO469013  

100733 Annafalcká           Discovered 1998 Feb. 18 by M. Tichy at Klet.
Anna Falcká (or Anne of the Palatinate, 1329--1353) was the second wife of Roman Emperor and King of Bohemia Charles IV. In 1350 she gave birth to a long-desired son, Wenceslaus, who, unfortunately, died a year later.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

[ show close-approach data ]
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